CS182213B2 - Process for preparing urea - Google Patents
Process for preparing ureaInfo
- Publication number
- CS182213B2 CS182213B2 CS7100002290A CS229071A CS182213B2 CS 182213 B2 CS182213 B2 CS 182213B2 CS 7100002290 A CS7100002290 A CS 7100002290A CS 229071 A CS229071 A CS 229071A CS 182213 B2 CS182213 B2 CS 182213B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- preparing urea
- urea
- preparing
- Prior art date
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title 1
- 239000004202 carbamide Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2280470 | 1970-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS182213B2 true CS182213B2 (en) | 1978-04-28 |
Family
ID=11200606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS7100002290A CS182213B2 (en) | 1970-04-02 | 1971-03-30 | Process for preparing urea |
Country Status (24)
| Country | Link |
|---|---|
| JP (1) | JPS5529066B1 (en) |
| AT (1) | AT317910B (en) |
| BE (1) | BE765031A (en) |
| BR (1) | BR7101989D0 (en) |
| CH (1) | CH551386A (en) |
| CS (1) | CS182213B2 (en) |
| DE (1) | DE2116267C3 (en) |
| DK (1) | DK139815B (en) |
| EG (1) | EG10651A (en) |
| ES (1) | ES390189A1 (en) |
| FR (1) | FR2092554A5 (en) |
| GB (1) | GB1341497A (en) |
| HU (1) | HU164316B (en) |
| IE (1) | IE35308B1 (en) |
| IL (1) | IL36465A (en) |
| LU (1) | LU62905A1 (en) |
| NL (1) | NL171703C (en) |
| NO (1) | NO140055C (en) |
| RO (1) | RO63099A (en) |
| SE (1) | SE403370B (en) |
| TR (1) | TR16951A (en) |
| YU (1) | YU35755B (en) |
| ZA (1) | ZA712018B (en) |
| ZM (1) | ZM4671A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787832A (en) * | 1971-09-02 | 1973-02-22 | Stamicarbon | PROCESS FOR THE PREPARATION OF UREA |
| JPS5811432B2 (en) * | 1979-10-08 | 1983-03-02 | 三井東圧化学株式会社 | Urea synthesis method |
| JPS57128669A (en) * | 1981-02-03 | 1982-08-10 | Toyo Eng Corp | Improvement of urea preparation process |
| DE3364579D1 (en) * | 1982-06-03 | 1986-08-28 | Montedison Spa | Method for avoiding the corrosion of strippers in urea manufacturing plants |
| IT1209532B (en) * | 1984-04-20 | 1989-08-30 | Snam Progetti | PROCESS FOR THE SYNTHESIS OF UREA AND MATERIAL USED IN ITSELF. |
| CH679485A5 (en) * | 1989-12-29 | 1992-02-28 | Ammonia Casale Sa | |
| ITMI20071029A1 (en) * | 2007-05-22 | 2008-11-23 | Snam Progetti | IMPROVED PROCEDURE FOR THE SYNTHESIS OF UREA |
| ITMI20120013A1 (en) | 2012-01-09 | 2013-07-10 | Saipem Spa | PROCEDURE FOR THE SYNTHESIS OF UREA INCLUDING A STRIPPER FUND OF PASSIVATION |
| GB2530447B (en) | 2013-05-28 | 2020-02-26 | Toyo Engineering Corp | Urea synthesis method |
| CN112154138A (en) * | 2018-04-13 | 2020-12-29 | 东洋工程株式会社 | Production method of urea |
-
1971
- 1971-03-22 IL IL36465A patent/IL36465A/en unknown
- 1971-03-22 EG EG123/71A patent/EG10651A/en active
- 1971-03-29 ZA ZA712018A patent/ZA712018B/en unknown
- 1971-03-29 IE IE396/71A patent/IE35308B1/en unknown
- 1971-03-30 TR TR16951A patent/TR16951A/en unknown
- 1971-03-30 CS CS7100002290A patent/CS182213B2/en unknown
- 1971-03-31 FR FR7111263A patent/FR2092554A5/fr not_active Expired
- 1971-03-31 ES ES390189A patent/ES390189A1/en not_active Expired
- 1971-03-31 BE BE765031A patent/BE765031A/en not_active IP Right Cessation
- 1971-03-31 HU HUSA2184A patent/HU164316B/hu unknown
- 1971-04-01 NO NO1244/71A patent/NO140055C/en unknown
- 1971-04-01 LU LU62905D patent/LU62905A1/xx unknown
- 1971-04-01 JP JP1927171A patent/JPS5529066B1/ja active Pending
- 1971-04-01 YU YU813/71A patent/YU35755B/en unknown
- 1971-04-01 DK DK156971AA patent/DK139815B/en not_active IP Right Cessation
- 1971-04-02 NL NLAANVRAGE7104428,A patent/NL171703C/en not_active IP Right Cessation
- 1971-04-02 DE DE2116267A patent/DE2116267C3/en not_active Expired
- 1971-04-02 ZM ZM46/71A patent/ZM4671A1/en unknown
- 1971-04-02 SE SE7104354A patent/SE403370B/en unknown
- 1971-04-02 BR BR1989/71A patent/BR7101989D0/en unknown
- 1971-04-02 RO RO7100066459A patent/RO63099A/en unknown
- 1971-04-02 AT AT284671A patent/AT317910B/en not_active IP Right Cessation
- 1971-04-02 CH CH487271A patent/CH551386A/en not_active IP Right Cessation
- 1971-04-19 GB GB2597771*A patent/GB1341497A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| YU35755B (en) | 1981-06-30 |
| IL36465A (en) | 1974-07-31 |
| GB1341497A (en) | 1973-12-19 |
| CH551386A (en) | 1974-07-15 |
| AT317910B (en) | 1974-09-25 |
| NL171703C (en) | 1985-02-18 |
| IE35308L (en) | 1971-10-02 |
| NL171703B (en) | 1982-12-01 |
| ES390189A1 (en) | 1973-07-01 |
| LU62905A1 (en) | 1971-08-26 |
| NO140055C (en) | 1980-10-29 |
| IL36465A0 (en) | 1971-05-26 |
| IE35308B1 (en) | 1976-01-07 |
| DE2116267C3 (en) | 1980-04-24 |
| BR7101989D0 (en) | 1973-02-22 |
| NL7104428A (en) | 1971-10-05 |
| DK139815B (en) | 1979-04-23 |
| FR2092554A5 (en) | 1972-01-21 |
| HU164316B (en) | 1974-01-28 |
| DK139815C (en) | 1979-10-01 |
| EG10651A (en) | 1977-10-31 |
| DE2116267A1 (en) | 1971-10-14 |
| YU81371A (en) | 1980-10-31 |
| ZA712018B (en) | 1971-12-29 |
| SE403370B (en) | 1978-08-14 |
| TR16951A (en) | 1974-01-09 |
| BE765031A (en) | 1971-08-16 |
| DE2116267B2 (en) | 1974-05-16 |
| JPS5529066B1 (en) | 1980-07-31 |
| RO63099A (en) | 1978-09-15 |
| NO140055B (en) | 1979-03-19 |
| ZM4671A1 (en) | 1971-12-22 |
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